Lycodon duytan NGUYEN, POYARKOV & VOGEL, 2025
Can you confirm these amateur observations of Lycodon duytan?
Lycodon duytan
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| Higher Taxa | Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes) |
| Subspecies | |
| Common Names | |
| Synonym | Lycodon duytan NGUYEN, POYARKOV & VOGEL 2025: 309 |
| Distribution | Vietnam (Nghe An) Type locality: Khe Choang Areas within Pu Mat National Park, Chau Khe Commune, Con Cuong District, Nghe An Province, Vietnam (ca 18.964811°N, 104.651873°E; altitude 550 m asl). |
| Reproduction | |
| Types | Holotype: DTU [Duy Tan University, Da Nang, Vietnam] 540 (adult male) collected on 19 April 2018 by TVN. Paratypes (n = 4): DTU 541 (adult female), same information with holotype; DTU 542 (adult female) in Vu Quang NP, Huong Quang Commune, Vu Quang District, Ha Tinh Province, Vietnam (ca 18.264117°N, 105.435481°E; altitude 540 m asl), collected in March 2019 by TVN and T.C. Thai ; • DTU 543–544 (adult females), collected from Mac Area within Cuc Phuong NP, Cuc Phuong Commune, Nho Quan District, Ninh Binh Province, Vietnam (ca 20.268796°N, 105.689175°E; altitude 215 m asl), collected in June 2018 by T.N. La and TVN. Referred materials (n = 6). CPNP NHQ.225 (adult female) and CPNP NHQ.240 (adult female), collected from Cuc Phuong NP, Cuc Phuong Commune, Nho Quan District, Ninh Binh Province, Vietnam. CPNP NHQ.2017.18 (adut female), collected from Cuc Phuong NP, Thanh Yen Commune, Thach Thanh District, Thanh Hoa Province, Vietnam (ca 20.288652°N, 105.584416°E; altitude 150 m asl) collected on 26 August 2017 by Q.H. Nguyen. SIFASV 104 and 105 (two adult females, released), collected from Pu Mat NP, Con Cuong District, Nghe An Province, Vietnam, in May 2017 by Q.S. Nguyen. SIFASV 106 (adult female, released), collected from Nam Dong NR, Quan Hoa District, Thanh Hoa Province, Vietnam, in May 2023 by N.V. Ha and TVN. |
| Diagnosis | Diagnosis: A larger-sized species, with a maximum snout-vent length of up to 980 mm; loreal usually contacting the eye; dorsal scale rows 17–17–15; upper four or five and vertebral dorsal scale rows keeled; 217–230 ventrals; 80–95 subcaudals, paired; cloacal plate undivided; eight supralabials with 3–5 touching the eye; 1 preocular, 2 postoculars; temporals 2+2; dorsal crossbands narrow, separating ground colour into ellipse patches, pinkish-orange colour, 54–72 crossbands on body and tail; head black, the plates conspicuously margined with pinkish-orange; venter reddish-orange. (Nguyen et al. 2025) Unfortunately we had to temporarily remove additional information as this was scraped by multiple AI companies who sell that data to their customers. These details, e.g. detailed descriptions or comparisons (about 8787 characters) are available for collaborators and contributors. Please contact us for details. |
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